package com.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.edu.exceptionhandler.MyException;
import com.eduorder.entity.Order;
import com.eduorder.entity.PayLog;
import com.eduorder.mapper.PayLogMapper;
import com.eduorder.service.OrderService;
import com.eduorder.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.eduorder.utils.HttpClient;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2021-07-20
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

	@Autowired
	private OrderService orderService;
	@Override
	public Map createNative(String orderNo) {
		try {
			//1 根据订单号查询订单信息
			QueryWrapper<Order> wrapper = new QueryWrapper<>();
			wrapper.eq("order_no",orderNo);
			Order order = orderService.getOne(wrapper);

			//2 使用map设置生成二维码需要参数
			Map m = new HashMap();
			m.put("appid", "wx74862e0dfcf69954");
			m.put("mch_id", "1558950191");
			m.put("nonce_str", WXPayUtil.generateNonceStr());
			m.put("body", order.getCourseTitle());
			m.put("out_trade_no", orderNo);
			m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
			m.put("spbill_create_ip", "127.0.0.1");
			m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
			m.put("trade_type", "NATIVE");

			//3 发送httpclient请求，传递参数xml格式，微信支付提供的固定地址
			HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
			client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
			client.setHttps(true);
			//执行请求发送
			client.post();

			//4 得到发送请求返回结果
			String xml = client.getContent();

			Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

			Map map = new HashMap();
			map.put("out_trade_no", orderNo);
			map.put("course_id", order.getCourseId());
			map.put("total_fee", order.getTotalFee());
			map.put("result_code", resultMap.get("result_code"));
			map.put("code_url", resultMap.get("code_url"));

			return map;
		}catch (Exception e){
			e.printStackTrace();
			throw new MyException(20001,"创建二维码失败");

		}
	}

	//查询订单支付状态
	@Override
	public Map<String, String> queryPayStatus(String orderNo) {

		try {
			//1 封装参数
			Map m = new HashMap<>();
			m.put("appid", "wx74862e0dfcf69954");
			m.put("mch_id", "1558950191");
			m.put("out_trade_no", orderNo);
			m.put("nonce_str", WXPayUtil.generateNonceStr());

			//2 发送httpclient
			HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
			client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
			client.setHttps(true);
			client.post();

			String xml = client.getContent();
			Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

			return resultMap;
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}

	}

	//添加支付记录和更新订单状态
	@Override
	public void updateOrderStatus(Map<String, String> map) {
		String orderNo = map.get("out_trade_no");
		//根据订单号查询订单信息
		QueryWrapper<Order> wrapper = new QueryWrapper<>();
		wrapper.eq("order_no",orderNo);
		Order order = orderService.getOne(wrapper);

		if(order.getStatus().intValue() == 1){
			return;
		}
		order.setStatus(1);
		orderService.updateById(order);

		//向支付表添加记录
		PayLog payLog = new PayLog();
		payLog.setOrderNo(order.getOrderNo());//支付订单号
		payLog.setPayTime(new Date());
		payLog.setPayType(1);//支付类型
		payLog.setTotalFee(order.getTotalFee());//总金额(分)
		payLog.setTradeState(map.get("trade_state"));//支付状态
		payLog.setTransactionId(map.get("transaction_id"));
		payLog.setAttr(JSONObject.toJSONString(map));
		baseMapper.insert(payLog);
	}
}
